<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>图片插入</title>
</head>
<body>
<img src="1.png"  alt="图片走丢啦"  width="450">
<img src="img/2.jpg" title = "我是一个美丽的小姑凉"  width="450">
<img src="../3.png"  width="450">
<img src="img/4.jpg" width="450" >
<img src="https://n.sinaimg.cn/sinacn/w960h1440/20171223/d7cd-fypvuqf4642780.png "  width="450">

</body>
</html>